ASEAN is coming of age as an international actor and international treaty-maker. To date, more than two hundred external agreements and other instruments have been concluded in the name of ASEAN. This book provides the first systematic account of the legal framework governing ASEAN's burgeoning external relations practice. It focuses in depth on ASEAN's wide-ranging mandate to promote its values and principles in the wider region and beyond, as well as the highly intergovernmental, and at times haphazard, handling of the bloc's relations with the outside world. Furthermore, it reveals that...